package proxy.msb_proxy;import java.util.Random;/** * Created by Administrator on 2018-11-6. */public class Tank implements Moveable{    public void move() {        long start = System.currentTimeMillis();        System.out.println("tank moving....");        try {            Thread.sleep(new Random().nextInt(10000));        } catch (InterruptedException e) {            e.printStackTrace();        }        long end  = System.currentTimeMillis();        System.out.println("time:"+(end-start));    }}